(Lianja) Mailgun Send Send HTML Email with Attachments and HTML Images

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Sends an HTML email with images and attachments.

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://documentation.mailgun.com/en/latest/api-sending.html#sending

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Chilkat Lianja Extension

llSuccess = .F.

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loHttp = createobject("CkHttp")

loHttp.Login = "api"
loHttp.Password = "sending_api_key"//  Replace with your actual sending API key.

loReq = createobject("CkHttpRequest")
loReq.HttpVerb = "POST"
loReq.Path = "/v3/YOUR_DOMAIN_NAME/messages"
loReq.ContentType = "multipart/form-data"

// Change YOUR_DOMAIN_NAME to something like "mg.your-domain.com".
loReq.AddParam("from","Your Name <mailgun@YOUR_DOMAIN_NAME>")
loReq.AddParam("to","Joe Example <joe@example.com>")
loReq.AddParam("subject","Hello Joe Example")
loReq.AddParam("html",'<html><body><b>This is the HTML body</b><br><img src="cid:cidStarfish.jpg"></body></html>')

// An a attachd file
loBd = createobject("CkBinData")
llSuccess = loBd.LoadFile("qa_data/hamlet.zip")
if (llSuccess = .F.) then
    ? "Failed to load file attachment."
    release loHttp
    release loReq
    release loBd
    return
endif

loReq.AddBdForUpload("attachment","hamlet.zip",loBd,"application/zip")

// add an image as CID
llSuccess = loBd.LoadFile("qa_data/jpg/starfish.jpg")
if (llSuccess = .F.) then
    ? "Failed to load HTML image."
    release loHttp
    release loReq
    release loBd
    return
endif

loReq.AddBdForUpload("inline","cidStarfish.jpg",loBd,"image/jpeg")

loResp = createobject("CkHttpResponse")
llSuccess = loHttp.HttpSReq("api.mailgun.net",443,.T.,loReq,loResp)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    release loBd
    release loResp
    return
endif

loSbResponseBody = createobject("CkStringBuilder")
loResp.GetBodySb(loSbResponseBody)
loJResp = createobject("CkJsonObject")
loJResp.LoadSb(loSbResponseBody)
loJResp.EmitCompact = .F.

? "Response Body:"
? loJResp.Emit()

lnRespStatusCode = loResp.StatusCode
? "Response Status Code = " + str(lnRespStatusCode)
if (lnRespStatusCode >= 400) then
    ? "Response Header:"
    ? loResp.Header
    ? "Failed."
    release loHttp
    release loReq
    release loBd
    release loResp
    release loSbResponseBody
    release loJResp
    return
endif

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "id": "<20210429234809.1.2D550E1C94D3D98F@sandbox0e542e4c577f4bbb98c8bf6b6bca727b.mailgun.org>",
//   "message": "Queued. Thank you."
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

lcId = loJResp.StringOf("id")
lcMessage = loJResp.StringOf("message")


release loHttp
release loReq
release loBd
release loResp
release loSbResponseBody
release loJResp